A valve permitting flow in one direction only. It does not have a stem, except when equipped with a lever and weight and has no pressure adjustment. It may be inline or cartridge (manifold) design.
NSN 5835-01-013-9321
NSN 5975-01-271-7354
NSN 6650-01-392-8086
NSN 6685-01-231-7794
NSN 5920-01-364-6911
NSN 5985-01-202-0589
NSN 5985-01-311-6017
NSN 6685-00-981-2113
NSN 7035-01-633-9537
NSN 4140-01-580-8573
NSN 6320-01-631-7828
NSN 5998-01-189-8843